"Me and him, we've had our battles at the house, and I've never won one," Christian said. "So, I think he has the advantage.

"Sometimes, when we're walking in the kitchen, we'll walk by each other, side-by-side. He'll come out of the kitchen. I'll go in. And right when we pass up each other, he'll just stare me down. That's when the tension starts.

"We don't turn back. So, we just start pushing and shoving. Pushing and shoving leads to wrestling. And wrestling leads to swinging. I've been through a lot with him."